MAINTAINERS: add Wenjia as SMC maintainer

Add Wenjia as maintainer for Shared Memory Communications (SMC)
Sockets.

Acked-by: Wenjia Zhang <[email protected]>
Acked-by: Alexandra Winter <[email protected]>
Signed-off-by: Karsten Graul <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: karstengr

MAINTAINERS

@@ -18179,6 +18179,7 @@ F:	drivers/misc/sgi-xp/
 
 SHARED MEMORY COMMUNICATIONS (SMC) SOCKETS
 M:	Karsten Graul <[email protected]>
+M:	Wenjia Zhang <[email protected]>
 L:	[email protected]
 S:	Supported
 W:	http://www.ibm.com/developerworks/linux/linux390/